"zero divided by zero" is four English words, one after the other. The
meaning of it is whatever we can agree that it means. But we can't
agree on a useful meaning; it's not as if the subject hasn't come up a
million times over the past century or two. It is, and will remain,
undefined.
Bobby
mathma18 at hotmail.com ("G.L.Narasimham") wrote in message news:<c9k4bo$fi9$1 at smc.vnet.net>...
> continued..
> By plotting u+v=(u^2-v^2)/(u-v) and 1/(u+v)=(u-v)/(u^2-v^2) we get 0
> and +/- Infinity jump respectively at (0,0).[Right hand sides are not
> plotted as Mathematica leaves out detail on plane u=v ].